Category Archives: 6502

Chuck Peddle, 1937 – 2019

Posted on 21. December 2019 by dommas

Chuck Peddle, the main designer of the 6502, has passed away on Dec. 15th, 2019. Peddle was one of the engineers that developed the 6800 at Motorola. He later went to MOS in order to implement his vision of an … Continue reading →

Posted in 6502, 65c02, assembly, basic, urschleim, wdc | Comments Off on Chuck Peddle, 1937 – 2019

V9958 – “The WAIT” – investigation of the CPU/VDP /WAIT interface

Posted on 22. October 2018 by mlauke

… on the way back to munich, we had some time to do a little code review of our gfx library. thinking about the cpu to video chip timings and again read the well known datasheets of the V9938/V9958. suddenly … Continue reading →

Posted in 64k, 6502, 65c02, 9918, Allgemein, assembly, cpu, experiment, nop, steckschwein, timing, tms9929, V9958, vdp, video, video chip, waitstate | Comments Off on V9958 – “The WAIT” – investigation of the CPU/VDP /WAIT interface